Functions

Compares two RuleAnnotations

Creates a new instance of the rule set to have lookahead behaviour

// Creates a lookahead version of of the rule let lookahead = >>CharacterSet.letters.skip()

Creates a new instance of the rule which negates its match. Note that negate does not toggle, that is !!rule != rule

// Creates a negated version of of the rule let notLetter = !CharacterSet.letters.skip()

Creates a new instance of the rule which skips.

// Creates a skipping version of of the rule let skippingRule = -scanningRule

Creates a new instance of the rule which scans.

// Creates a scanning version of of the rule let scanningRule = ~parsingRule

Compares two tokens for equality